LEPIDOPTERA HETEROCERA. 807 



Genus 18. ACKAGA. 



Mas. Corpus gracile. Proboscis brevissima. Palpi graciles, 

 brevissimi ; articulus 3us minimus. Antennae subpectinatae. Pedes 

 graciles, late ciliati ; tibiae posticae calcaribus quatuor longis. Alae 

 latae ; posticae abdomen longe superantes. 



Male. Body slender. Proboscis very short. Palpi slender, 

 very short; third joint very small. Antennae minutely pectinated. 

 Legs slender, fringed with long hairs ; hind tibiae with four long 

 spurs. Wings broad. Fore wings with the third inferior vein full 

 twice further from the second than the second is from the first ; 

 fourth further by half from the third than the third is from the 

 second. Hind wings extending far beyond the abdomen. 



1. ACRAGA CILIATA. 



Mas. Pallide lutea ; corpus et pedes subtus albida ; antenna; 

 albidce, ramis fulvis ; alee antica litura discali ferruginea. 



Male. Pale luteous. Body and legs whitish beneath. An- 

 tennae whitish, with tawny branches. Fore wings with a ferrugi- 

 nous mark at the end of the discal areolet. Length of the body 4 

 lines ; of the wings 12 lines. 



a. Jamaica. From Mr. Gosse*s collection. 



Genus 19. MABCIPA. 



Mas. Corpus gracile. Proboscis brevissima. Palpi pilosi, 

 mediocriter longi, subarcuati, ascendentes; articulus 2us lo multo 

 longior ; 3us minimus. Antennae late pectinatae. Abdomen alas 

 posticas superans, apice fasciculatum. Alae latae. 



Male. Body slender. Proboscis very short. Palpi hairy, 

 moderately long, slightly curved, ascending ; second joint very much 

 longer than the first; third very minute. Antennae deeply pec- 

 tinated. Abdomen extending beyond the hind wings, tufted at the 

 tip. Wings broad. Fore wings with the third inferior vein nearer 

 to the second than the second is to the first ; fourth full thrice 

 further from the third than the second is from the first. 



